digital differential protection of power transformer using matlab

... system’s equations of motion are rewritten as a system of first-order differential equations, each of these differential equations consists of the time derivative of the one of the state variables ... and design of control systems are described An introduction to MATLAB basics is presented in Chapter Chapter also presents MATLAB commands MATLAB is considered as the software of choice MATLAB can ... of the real part of G(jω) versus the imaginary part of G(jω) Pole of a Transfer Function: The root (solution) of the (characteristic) equation obtained by setting the denominator polynomial of...

Ngày tải lên: 01/01/2014, 18:43

... case of a VAWT for optimal power generation Wake, power and cost modeling of a HAWT 2.1 Jensen's wake modeling of a HAWT All the results reported to date in the literature on optimal layout of ... downstream of an array of turbines may encounter multiple wakes due to several turbines upstream of it Since various wakes of the array of turbines form a mixed wake, the kinetic energy of this ... farm employ the simple wake model of Jensen [4] and use a genetic algorithm for optimization of an objective function based on power output or a combination of power output and cost [1-3] In Jensen’s...

Ngày tải lên: 05/09/2013, 17:03

... capacitor of MERS only stores the energy of one cycle The capacitor of MERS discharges all of its charge and the voltage becomes zero Therefore, the total size of capacitors is reduced by using MERS ... waveforms of generated current i and capacitor voltage v by the circuit of Fig Gate signals to U and Y of the full-bridge inverter and V and X of the MERS are also shown Gate signals of MERS are ... reduced The most important point of the voltage rating reduction is that DC capacitors of the power supply can be reduced by using MERS Large DC capacitors are used in the power supply because energy...

Ngày tải lên: 15/10/2013, 16:12

Ngày tải lên: 23/12/2013, 03:16

... 8.2 Background Review 129 8.3 MATLAB Commands Used 134 8.4 Simulation of IIR Digital Filters 135 8.5 Simulation of FIR Digital Filters 141 8.6 Design of Tunable Digital Filters 142 8.7 Function ... review of the key concepts and features of MATLAB is provided in Appendix A Altogether there are 75 MATLAB programs in the text that have been tested under version 7.0 of MATLAB and version 6.3 of ... laboratory portion of the course The complete manuscript of this book has been reviewed by Professor Hrvoje Babic of the University of Zagreb, Zagreb, Croatia; Professor Tamal Bose of the Utah State...

Ngày tải lên: 25/01/2014, 08:20

... DISCUSSION Analysis of Active Suspension System Using Simulink Simulation based on the mathematical model for quarter car by using MATLAB/ SIMULINK software will be performed Performances of the suspension ... M.E.Society's College of Engineering, Pune, India | Page Performance Evaluation of Active Suspension for Passenger Cars Using MATLAB (2) (3) Similarly, from Fig 2, Equation of Motion for unsprung ... Small change Decrease Decrease PID Controller Design Using MATLAB The PID controller can be designed in MATLAB using the Transfer Function directly MATLAB s pid controller object is also applied to...

Ngày tải lên: 16/02/2014, 09:13

... 5% of the peak value Determining the true power output of our transducers An Ultrasound Power Meter (model UPM-DT-1AV, Ohmic Instrument Co., Easton, MD) was used to measure the power output of ... http://www.rbej.com/content/10/1/7 Page of 15 Table Treatment parameters for Study Group name Sham Group number Wet heat MHz, high power MHz, high power MHz, high power, Na+ MHz, low power MHz, low power, Na+ Coupling ... treat rat testes This instrument was capable of producing ultrasound of or MHz frequency with power up to a maximum of 2.2 W/cm2 at a duty cycle of 100% While the ME7413 transducer operated at...

Ngày tải lên: 05/03/2014, 17:20

... resources Digital watermarking offers several advantages The details of a good digital watermarking algorithm can be made public knowledge Digital watermarking provides the owner of a piece of digital ... provides a means of embedding a message in a piece of digital data without destroying its value Digital watermarking embeds a known message in a piece of digital data as a means of identifying ... mathematical forms of optimal multimedia authentication systems, a description of robust digital signature, the theoretical bound of information hiding capacity of images, an introduction of the Self-Authentication-and-Recovery...

Ngày tải lên: 07/03/2014, 11:20

... calculated as the ratio of mean linear fluorescence (MLF) of inhibitortreated cells (grey solid line) to the MLF of DMSO treated cells (black solid line) after subtraction of the MLF of the mock-transfected ... on ice until analysis with FACScan, or sorting using MoFlo, Facs Star or FACS-II (Becton Dickinson) Analysis was performed using the computer software program WAESEL 1.2.1 (F Battye, Walter and ... c-secretase activity was determined by FACS analysis of the cells, using fluorescence as an indication of GFP expression, and by immunoprecipitation of radiolabeled-Ab from the culture media (as described...

Ngày tải lên: 08/03/2014, 08:20

... VNU Journal of Science, Mathematics - Physics 25 (2009) 185-189 Generally, Wilkinson power divider can have any number of output ports A basic three port Wilkinson power divider of port characteristic ... Fig Schematic diagram of aWilkinson power divider [1] This is a such network that the lossless and resistive T-junction power dividers have no isolation between the outputs of port and port 3, ... the high -power combination circuit as illustrated in figure5 26dBm Transmitter -10dBm 29dBm 53dBm Power Division Power Combining 56dBm 26dBm 53dBm Coded Modulator Fig The integration of the frequency...

Ngày tải lên: 22/03/2014, 11:20

... Clearly, the peak of the calculated parameter corresponds to the relative degree of focus of the image Chapter introduces the digital processing of images; Chapters and consider digital filters in ... with examples using MATLAB being an integral part The chapters are organized as follows: Chapter covers the basics of the MATLAB programming language and environment The use of MATLAB is central ... uppercase) Element (i, j) of matrix A Inverse of matrix A Pseudoinverse of matrix A Complex conjugate of p Correlation matrix of x and y Expectation operator, average of a sequence N-dimensional...

Ngày tải lên: 29/03/2014, 10:20

... product of the dependent variable and its derivative; power of the dependent variable; or power of a derivative of dependent variable The existence of powers or other nonlinear functions of the ... +4 dt ⎝ dt ⎠ (power of a derivative of dependent variable) Notes: Order of a differential equation is the highest order derivative present in the differential equation Degree of a differential ... help of some fundamental laws Modeling and Simulation of Systems Using MATLAB and Simulink of physics, which is called the mathematical model for components It may be written in the form of difference...

Ngày tải lên: 01/04/2014, 10:55

... Procedure Computation of the Powers of the Matrix ‘A’ Determination of Kth Element in the Sequence Computation of Exponential of the Matrix ‘A’ 8.1 Example Solving Differential Equation Using Eigen decomposition ... Collections for Digital Signal Processing Applications Using Matlab Algorithm Collections for Digital Signal Processing Applications Using Matlab E.S Gopi National Institute of Technology, Tiruchi, ... Number of neurons in the input layer is equal to the size of the input vector of the Neural Network Similarly number of neurons in the output layer is equal to the size of the output vector of the...

Ngày tải lên: 08/04/2014, 09:57

... Digital Signal and Image Processing using MATLAB This page intentionally left blank Digital Signal and Image Processing using MATLAB Gộrard Blanchet Maurice Charbit Part of this book ... [Signaux et images sous Matlab English] Digital signal and image processing using Matlab / Gộrard Blanchet, Maurice Charbit p cm Translation of: Signaux et images sous Matlab Includes index ISBN-13: ... rights of Gộrard Blanchet and Maurice Charbit to be identified as the authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988 Library of Congress...

Ngày tải lên: 08/04/2014, 10:06

... 1.7 The MATLAB Working Environment In this section we give a brief overview of some important operational aspects of using MATLAB 1.7.1 The MATLAB Desktop The MATLAB desktop is the main MATLAB ... image processing refers to processing digital images by means of a digital computer Note that a digital image is composed of a finite number of elements, each of which has a particular location ... Processing Toolbox is a collection of MATLAB functions (called M-functions or M-files) that extend the capability of the MATLAB environment for the solution of digital image processing problems...

Ngày tải lên: 28/04/2014, 10:26

... 3.10(a) (b) Result of using function adapthisteq with the default values (c) Result of using this function with parameter NumTiles set to [25 25] Result of using this number of tiles and ClipLimit ... Use of nargin within the body of this function would return a 2, while use of nargout would return a Function nargchk can be used in the body of an ­ -function to check if the M correct number of ... recall from the discussion of function timeit in Section 2.10.5 that using function handles allows the syntax of the underlying function to be independent of the parameters of the function to be processed...

Ngày tải lên: 28/04/2014, 10:26

... level of power modeling, for the estimation of power at the behavioral level of design In the analytical power macromodeling, a function maps the space of input signal properties to the power ... estimation of power consumption characteristics of HW systems modeled at the behavioral level using SystemC modeling language 3.1 ESTIMATION OF POWER AT BEHAVIORAL LEVEL Macromodeling The estimation of ... library to enable power estimation of digital systems built upon a set of primitive logic gates Minor modifications of SystemC modules enable the calculation of the dynamic power component due...

Ngày tải lên: 22/06/2014, 19:20

... Digital Signal and Image Processing using MATLAB This page intentionally left blank Digital Signal and Image Processing using MATLAB Gộrard Blanchet Maurice Charbit Part of this book ... [Signaux et images sous Matlab English] Digital signal and image processing using Matlab / Gộrard Blanchet, Maurice Charbit p cm Translation of: Signaux et images sous Matlab Includes index ISBN-13: ... rights of Gộrard Blanchet and Maurice Charbit to be identified as the authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988 Library of Congress...

Ngày tải lên: 28/06/2014, 22:20

Ngày tải lên: 07/08/2014, 15:20